package demo;
//Day03
import java.util.Scanner;

public class Day02001 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int age= scanner.nextInt();
        if(age>=18)
            System.out.println("恭喜，你已经成年了！");
        else{
            System.out.println("还没成年！");
        }
    }
}
